Krill harvesting company Aker BioMarine made a profit in 2015 despite a lower turnover, indicating that Kjell Inge Rokke's nutraceutical gamble may be paying off.

Aker Biomarine reported earnings before interest, taxation, depreciation and amortization (EBITDA) of $25.7 million (€22.8 million) -- a margin of 24 percent.

Sales fell slightly to $105.1 million (€93.2 million).

The profit is the first in at least four years at the company, and cashflow from the operation was also positive -- a turnaround from the three prior years.

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